commit f78a4d928e527e639bc2d174edcdaeeb852e18c0
author Ravi Kumar Alamanda <ralama@codeaurora.org> Fri Apr 24 15:18:23 2015 -0700
committer Eric Laurent <elaurent@google.com> Thu May 21 18:36:34 2015 -0700
tree 971edf079b4cec31c496c02371a6ea036077a4f7
parent 63863001b659b66a367800c39f4a016ec5d544d7

hal: Add support for TTS output stream

Add new audio playback use case to support stream for
Transmitted Through Speaker (TTS) data.

Bug: 21334936

Change-Id: Ief4519f30516f39078fdcdfce90645194bd885ea

hal/msm8974/platform.c

diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index e0ea8ed..a90fdc5 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -102,6 +102,8 @@
                                          MULTIMEDIA2_PCM_DEVICE},
     [USECASE_AUDIO_PLAYBACK_OFFLOAD] = {PLAYBACK_OFFLOAD_DEVICE,
                                         PLAYBACK_OFFLOAD_DEVICE},
+    [USECASE_AUDIO_PLAYBACK_TTS] = {MULTIMEDIA3_PCM_DEVICE,
+                                        MULTIMEDIA3_PCM_DEVICE},
     [USECASE_AUDIO_RECORD] = {AUDIO_RECORD_PCM_DEVICE,
                               AUDIO_RECORD_PCM_DEVICE},
     [USECASE_AUDIO_RECORD_LOW_LATENCY] = {LOWLATENCY_PCM_DEVICE,

hal/msm8974/platform.h

diff --git a/hal/msm8974/platform.h b/hal/msm8974/platform.h
index cf7d20d..c76c700 100644
--- a/hal/msm8974/platform.h
+++ b/hal/msm8974/platform.h
@@ -182,8 +182,12 @@
 #define DEEP_BUFFER_PCM_DEVICE 0
 #define AUDIO_RECORD_PCM_DEVICE 0
 #define MULTIMEDIA2_PCM_DEVICE 1
+
 #define SPKR_PROT_CALIB_RX_PCM_DEVICE 5
 #define SPKR_PROT_CALIB_TX_PCM_DEVICE 25
+
+#define MULTIMEDIA3_PCM_DEVICE 4
+
 #define PLAYBACK_OFFLOAD_DEVICE 9
 #define LOWLATENCY_PCM_DEVICE 15
 #define VOICE_VSID  0x10C01000